JP2014146745A - 基板吸着検知方法 - Google Patents
基板吸着検知方法 Download PDFInfo
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Abstract
【解決手段】本発明の基板吸着検知方法は、基板Wを吸着手段21に吸着する吸着工程と、吸着手段に吸着された基板に入熱またはこの基板から除熱されたときに、基板の熱膨張または熱収縮に起因して当該基板が吸着手段から脱離したとき及び脱離した基板が吸着手段に再吸着されたときの少なくとも一方のときに発生する音を集める集音工程と、集音工程で集めた音に基づいて、基板が適正に吸着されているか否かを判別する判別工程とを含む。
【選択図】図1
Description
Claims (3)
- 基板を吸着手段に吸着する吸着工程と、
吸着手段に吸着された基板に入熱またはこの基板から除熱されたときに、基板の熱膨張または熱収縮に起因して当該基板が吸着手段から脱離したとき及び脱離した基板が吸着手段に再吸着されたときの少なくとも一方のときに発生する音を集める集音工程と、
集音工程で集めた音に基づいて、基板が適正に吸着されているか否かを判別する判別工程とを含むことを特徴とする基板吸着検知方法。 - 前記判別工程は、単位時間当たりの音の発生回数及び音の強度のうちの少なくとも一方、または、所定時間内に発生した音の強度を積算した値に基づいて判別を行うことを特徴とする請求項1記載の基板吸着検知方法。
- 前記吸着手段は酸化アルミニウム製、窒化アルミニウム製または窒化ホウ素製のチャックプレートであることを特徴とする請求項1または2記載の基板吸着検知方法。
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JP6043640B2 JP6043640B2 (ja) | 2016-12-14 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5948986A (en) * | 1997-12-26 | 1999-09-07 | Applied Materials, Inc. | Monitoring of wafer presence and position in semiconductor processing operations |
JP2002009140A (ja) * | 2000-06-22 | 2002-01-11 | Mitsubishi Electric Corp | 静電チャック装置 |
JP2004028823A (ja) * | 2002-06-26 | 2004-01-29 | Ulvac Japan Ltd | ワーク処理装置 |
US20040149041A1 (en) * | 2001-06-07 | 2004-08-05 | William Jones | Apparatus and method for determining clamping status of semiconductor wafer |
JP2009176760A (ja) * | 2007-12-12 | 2009-08-06 | Asm Japan Kk | 基板の貼り付き発生を検出する方法 |
WO2010026893A1 (ja) * | 2008-09-04 | 2010-03-11 | 株式会社クリエイティブ テクノロジー | 静電チャック装置及び基板の吸着状態判別方法 |
JP2011238934A (ja) * | 1998-04-03 | 2011-11-24 | Applied Materials Inc | 静電チャック電源 |
JP2012235044A (ja) * | 2011-05-09 | 2012-11-29 | Ulvac Japan Ltd | 基板事前検査方法 |
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2013
- 2013-01-30 JP JP2013015454A patent/JP6043640B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5948986A (en) * | 1997-12-26 | 1999-09-07 | Applied Materials, Inc. | Monitoring of wafer presence and position in semiconductor processing operations |
JP2011238934A (ja) * | 1998-04-03 | 2011-11-24 | Applied Materials Inc | 静電チャック電源 |
JP2002009140A (ja) * | 2000-06-22 | 2002-01-11 | Mitsubishi Electric Corp | 静電チャック装置 |
US20040149041A1 (en) * | 2001-06-07 | 2004-08-05 | William Jones | Apparatus and method for determining clamping status of semiconductor wafer |
JP2004028823A (ja) * | 2002-06-26 | 2004-01-29 | Ulvac Japan Ltd | ワーク処理装置 |
JP2009176760A (ja) * | 2007-12-12 | 2009-08-06 | Asm Japan Kk | 基板の貼り付き発生を検出する方法 |
WO2010026893A1 (ja) * | 2008-09-04 | 2010-03-11 | 株式会社クリエイティブ テクノロジー | 静電チャック装置及び基板の吸着状態判別方法 |
JP2012235044A (ja) * | 2011-05-09 | 2012-11-29 | Ulvac Japan Ltd | 基板事前検査方法 |
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